[ GLSA 200506-24 ] Heimdal: Buffer overflow vulnerabilities
From: Sune Kloppenborg Jeppesen <jaervosz@gentoo.org.>
To: [email protected]
Subject: [ GLSA 200506-24 ] Heimdal: Buffer overflow vulnerabilities
Date: Wed, 29 Jun 2005 13:32:40 +0200
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Organization: Gentoo Linux Security Team
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Gentoo Linux Security Advisory GLSA 200506-24
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http://security.gentoo.org/
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Severity: High
Title: Heimdal: Buffer overflow vulnerabilities
Date: June 29, 2005
Bugs: #96727
ID: 200506-24
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Synopsis
========
Multiple buffer overflow vulnerabilities in Heimdal's telnetd server
could allow the execution of arbitrary code.
Background
==========
Heimdal is a free implementation of Kerberos 5 that includes a telnetd
server.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-crypt/heimdal < 0.6.5 >= 0.6.5
Description
===========
It has been reported that the "getterminaltype" function of Heimdal's
telnetd server is vulnerable to buffer overflows.
Impact
======
An attacker could exploit this vulnerability to execute arbitrary code
with the permission of the telnetd server program.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All users should upgrade to the latest available version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-crypt/heimdal-0.6.5"
References
==========
[ 1 ] CAN-2005-2040
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2040
[ 2 ] Heimdal Advisory 2005-06-20
http://www.pdc.kth.se/heimdal/advisory/2005-06-20/
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200506-24.xml
Concerns?
=========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
[email protected] or alternatively, you may file a bug at
http://bugs.gentoo.org.
License
=======
Copyright 2005 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.0
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